NV E620 and DNV Grade E620 steel plate Supplier

Gangsteel supply NV E620 and DNV Grade E620 steel plate. We are NV E620 Extra high strength steel plates and DNV Grade E620 certification supplier.

Related Words: NV E620, DNV Grade E620

Adopt standard: DNV Extra high strength steel plate
DNV Extra High Grade:

NV E620 steel grade.

NV E620 is applied to extra high strength steels, which is defined as steel with specified min yield stress of 420Mpa. The max yield is 690Mpa in NV A690.

NV E620 steel grade shall be killed and find grain treated. Steel grade of strength levels up to and including 500Mpa should be supplied in Normalized, TM or QT condition. Steel grade of strength levels above 500Mpa shall be supplied in TM or QT delivery condition.

Gangsteel is specialized in Super thickness steel grade. We have much experience in manufacture and exporting extra high strength steel grade.

For more information in NV E620 steel grade, please refer to the following:

NV E620 and DNV Grade E620 steel plate Chemical composition heat analysis

Element NV E620  Max % Element NV E620  max %
C 0.20 Ni 0.40
Mn 1.70 Mo 0.08
Si  0.10-0.55    Al   0.020 min
S 0.030    Nb 0.20-0.05
P 0.030 V 0.05-0.10
Cu 0.35 Ti 0.0007-0.05
    Cr 0.20 N  

NV E620 and DNV Grade E620 steel plate Mechanical properties,

Grade Thickness Yield Strength Tensile Strength Elongation Impact Energy
(mm) MPa (min) MPa % (min) (KV J) (min)
        -40 degree
NV E620 8-260 620 720-890 15 41J

Note: the impact energy under less 150mm thickness

If you have any need in NV E620 and DNV Grade E620 steel plate, please feel free to contact us soon to get a competitive price. pt’>

NV E620 and DNV Grade E620 steel plate Supplier
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